57252871 has 16 divisors (see below), whose sum is σ = 65292640. Its totient is φ = 49766400.

The previous prime is 57252863. The next prime is 57252883. The reversal of 57252871 is 17825275.

57252871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 13-Lehmer number, since φ(57252871) divides (57252871-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 57252871 - 2³ = 57252863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57252871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47071 + ... + 48271.

It is an arithmetic number, because the mean of its divisors is an integer number (4080790).

Almost surely, 2^57252871 is an apocalyptic number.

57252871 is a deficient number, since it is larger than the sum of its proper divisors (8039769).

57252871 is a wasteful number, since it uses less digits than its factorization.

57252871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 39200, while the sum is 37.

The square root of 57252871 is about 7566.5626938525. The cubic root of 57252871 is about 385.4183814069.

The spelling of 57252871 in words is "fifty-seven million, two hundred fifty-two thousand, eight hundred seventy-one".